19710736

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17351}}^1$

素因数の和:17430

約数の個数: 20

約数和(自身を含む): 38729664

約数和(自身を除く): 19018928

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17351, 34702, 69404, 138808, 277616, 1231921, 2463842, 4927684, 9855368, 19710736]

約数ペア:

[(1, 19710736), (2, 9855368), (4, 4927684), (8, 2463842), (16, 1231921), (71, 277616), (142, 138808), (284, 69404), (568, 34702), (1136, 17351)]